Downstream O2 Oxygen Sensor 234-4393 Sensor 1 for 2003 2004 2005 2006 2007 Mazda 6 2.3L COMPATIBLE WITH OEM:234-4393, 250-24376 Sensor 2 for 2005 Mazda 6 2.3L Calif.; Manual Trans Sensor 2 for 2005 Mazda 6 2.3L Exc. Calif. & Canada; Length (Sensor to Lead): 650 mm(25.59 inch) Please check the description or use the year/make/model drop down bar and interchangeable part numbers to confirm the compatibility before purchase.